61244 has 12 divisors (see below), whose sum is σ = 109368. Its totient is φ = 30000.
The previous prime is 61231. The next prime is 61253. The reversal of 61244 is 44216.
It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.
It is an Ulam number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119 + ... + 369.
It is an arithmetic number, because the mean of its divisors is an integer number (9114).
261244 is an apocalyptic number.
It is an amenable number.
61244 is a deficient number, since it is larger than the sum of its proper divisors (48124).
61244 is a wasteful number, since it uses less digits than its factorization.
61244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 316 (or 314 counting only the distinct ones).
The product of its digits is 192, while the sum is 17.
The square root of 61244 is about 247.4752512879. The cubic root of 61244 is about 39.4173886331.
It can be divided in two parts, 612 and 44, that added together give a palindrome (656).
The spelling of 61244 in words is "sixty-one thousand, two hundred forty-four".
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